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<html lang="en">

<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
    <style>
        * {
            margin: 0;
            padding: 0;
        }

        li {
            list-style: none;
        }

        img {
            width: 100%;
        }

        .box {
            width: 249px;
            height: 210px;
            margin: 50px auto;
        }

        .box p {
            color: #3b3b3b;
            padding: 10px 10px 0 10px;
        }

        /* 1. 摆放播放按钮：图片区域的中间 */
        .box li {
            overflow: hidden;
        }

        .pic {
            position: relative;
        }

        /* 2. hover效果：大按钮，看不见：透明是0 → 小按钮，看得见：透明度1 */
        .box li:hover .play {
            transform: translate(-50%, -50%) scale(1);
            opacity: 1;
        }

        .play {
            transition: all .5s;
            width: 58px;
            height: 58px;
            position: absolute;
            left: 50%;
            top: 50%;
            transform: translate(-50%, -50%) scale(3);
            opacity: 0;
        }
    </style>
</head>

<body>
    <div class="box">
        <ul>
            <li>
                <div class="pic">
                    <img src="./img/party.jpeg" alt="" />
                    <img class="play" src="./img/play.png" alt="">
                </div>
                <p>【和平精英】“初火”音乐概念片：四圣觉醒......</p>
            </li>
        </ul>
    </div>
</body>

</html>